[mirror_ubuntu-bionic-kernel.git] / include / linux / ieee802154.h

/*
 * IEEE802.15.4-2003 specification
 *
 * Copyright (C) 2007, 2008 Siemens AG
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * Written by:
 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
 * Maxim Osipov <maxim.osipov@siemens.com>
 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
 */

#ifndef LINUX_IEEE802154_H
#define LINUX_IEEE802154_H

#include <linux/types.h>
#include <linux/random.h>

#define IEEE802154_MTU			127
#define IEEE802154_ACK_PSDU_LEN		5
#define IEEE802154_MIN_PSDU_LEN		9
#define IEEE802154_FCS_LEN		2
#define IEEE802154_MAX_AUTH_TAG_LEN	16
#define IEEE802154_FC_LEN		2
#define IEEE802154_SEQ_LEN		1

/*  General MAC frame format:
 *  2 bytes: Frame Control
 *  1 byte:  Sequence Number
 * 20 bytes: Addressing fields
 * 14 bytes: Auxiliary Security Header
 */
#define IEEE802154_MAX_HEADER_LEN	(2 + 1 + 20 + 14)
#define IEEE802154_MIN_HEADER_LEN	(IEEE802154_ACK_PSDU_LEN - \
					 IEEE802154_FCS_LEN)

#define IEEE802154_PAN_ID_BROADCAST	0xffff
#define IEEE802154_ADDR_SHORT_BROADCAST	0xffff
#define IEEE802154_ADDR_SHORT_UNSPEC	0xfffe

#define IEEE802154_EXTENDED_ADDR_LEN	8
#define IEEE802154_SHORT_ADDR_LEN	2
#define IEEE802154_PAN_ID_LEN		2

#define IEEE802154_LIFS_PERIOD		40
#define IEEE802154_SIFS_PERIOD		12
#define IEEE802154_MAX_SIFS_FRAME_SIZE	18

#define IEEE802154_MAX_CHANNEL		26
#define IEEE802154_MAX_PAGE		31

#define IEEE802154_FC_TYPE_BEACON	0x0	/* Frame is beacon */
#define	IEEE802154_FC_TYPE_DATA		0x1	/* Frame is data */
#define IEEE802154_FC_TYPE_ACK		0x2	/* Frame is acknowledgment */
#define IEEE802154_FC_TYPE_MAC_CMD	0x3	/* Frame is MAC command */

#define IEEE802154_FC_TYPE_SHIFT		0
#define IEEE802154_FC_TYPE_MASK		((1 << 3) - 1)
#define IEEE802154_FC_TYPE(x)		((x & IEEE802154_FC_TYPE_MASK) >> IEEE802154_FC_TYPE_SHIFT)
#define IEEE802154_FC_SET_TYPE(v, x)	do {	\
	v = (((v) & ~IEEE802154_FC_TYPE_MASK) | \
	    (((x) << IEEE802154_FC_TYPE_SHIFT) & IEEE802154_FC_TYPE_MASK)); \
	} while (0)

#define IEEE802154_FC_SECEN_SHIFT	3
#define IEEE802154_FC_SECEN		(1 << IEEE802154_FC_SECEN_SHIFT)
#define IEEE802154_FC_FRPEND_SHIFT	4
#define IEEE802154_FC_FRPEND		(1 << IEEE802154_FC_FRPEND_SHIFT)
#define IEEE802154_FC_ACK_REQ_SHIFT	5
#define IEEE802154_FC_ACK_REQ		(1 << IEEE802154_FC_ACK_REQ_SHIFT)
#define IEEE802154_FC_INTRA_PAN_SHIFT	6
#define IEEE802154_FC_INTRA_PAN		(1 << IEEE802154_FC_INTRA_PAN_SHIFT)

#define IEEE802154_FC_SAMODE_SHIFT	14
#define IEEE802154_FC_SAMODE_MASK	(3 << IEEE802154_FC_SAMODE_SHIFT)
#define IEEE802154_FC_DAMODE_SHIFT	10
#define IEEE802154_FC_DAMODE_MASK	(3 << IEEE802154_FC_DAMODE_SHIFT)

#define IEEE802154_FC_VERSION_SHIFT	12
#define IEEE802154_FC_VERSION_MASK	(3 << IEEE802154_FC_VERSION_SHIFT)
#define IEEE802154_FC_VERSION(x)	((x & IEEE802154_FC_VERSION_MASK) >> IEEE802154_FC_VERSION_SHIFT)

#define IEEE802154_FC_SAMODE(x)		\
	(((x) & IEEE802154_FC_SAMODE_MASK) >> IEEE802154_FC_SAMODE_SHIFT)

#define IEEE802154_FC_DAMODE(x)		\
	(((x) & IEEE802154_FC_DAMODE_MASK) >> IEEE802154_FC_DAMODE_SHIFT)

#define IEEE802154_SCF_SECLEVEL_MASK		7
#define IEEE802154_SCF_SECLEVEL_SHIFT		0
#define IEEE802154_SCF_SECLEVEL(x)		(x & IEEE802154_SCF_SECLEVEL_MASK)
#define IEEE802154_SCF_KEY_ID_MODE_SHIFT	3
#define IEEE802154_SCF_KEY_ID_MODE_MASK		(3 << IEEE802154_SCF_KEY_ID_MODE_SHIFT)
#define IEEE802154_SCF_KEY_ID_MODE(x)		\
	((x & IEEE802154_SCF_KEY_ID_MODE_MASK) >> IEEE802154_SCF_KEY_ID_MODE_SHIFT)

#define IEEE802154_SCF_KEY_IMPLICIT		0
#define IEEE802154_SCF_KEY_INDEX		1
#define IEEE802154_SCF_KEY_SHORT_INDEX		2
#define IEEE802154_SCF_KEY_HW_INDEX		3

#define IEEE802154_SCF_SECLEVEL_NONE		0
#define IEEE802154_SCF_SECLEVEL_MIC32		1
#define IEEE802154_SCF_SECLEVEL_MIC64		2
#define IEEE802154_SCF_SECLEVEL_MIC128		3
#define IEEE802154_SCF_SECLEVEL_ENC		4
#define IEEE802154_SCF_SECLEVEL_ENC_MIC32	5
#define IEEE802154_SCF_SECLEVEL_ENC_MIC64	6
#define IEEE802154_SCF_SECLEVEL_ENC_MIC128	7

/* MAC footer size */
#define IEEE802154_MFR_SIZE	2 /* 2 octets */

/* MAC's Command Frames Identifiers */
#define IEEE802154_CMD_ASSOCIATION_REQ		0x01
#define IEEE802154_CMD_ASSOCIATION_RESP		0x02
#define IEEE802154_CMD_DISASSOCIATION_NOTIFY	0x03
#define IEEE802154_CMD_DATA_REQ			0x04
#define IEEE802154_CMD_PANID_CONFLICT_NOTIFY	0x05
#define IEEE802154_CMD_ORPHAN_NOTIFY		0x06
#define IEEE802154_CMD_BEACON_REQ		0x07
#define IEEE802154_CMD_COORD_REALIGN_NOTIFY	0x08
#define IEEE802154_CMD_GTS_REQ			0x09

/*
 * The return values of MAC operations
 */
enum {
	/*
	 * The requested operation was completed successfully.
	 * For a transmission request, this value indicates
	 * a successful transmission.
	 */
	IEEE802154_SUCCESS = 0x0,

	/* The beacon was lost following a synchronization request. */
	IEEE802154_BEACON_LOSS = 0xe0,
	/*
	 * A transmission could not take place due to activity on the
	 * channel, i.e., the CSMA-CA mechanism has failed.
	 */
	IEEE802154_CHNL_ACCESS_FAIL = 0xe1,
	/* The GTS request has been denied by the PAN coordinator. */
	IEEE802154_DENINED = 0xe2,
	/* The attempt to disable the transceiver has failed. */
	IEEE802154_DISABLE_TRX_FAIL = 0xe3,
	/*
	 * The received frame induces a failed security check according to
	 * the security suite.
	 */
	IEEE802154_FAILED_SECURITY_CHECK = 0xe4,
	/*
	 * The frame resulting from secure processing has a length that is
	 * greater than aMACMaxFrameSize.
	 */
	IEEE802154_FRAME_TOO_LONG = 0xe5,
	/*
	 * The requested GTS transmission failed because the specified GTS
	 * either did not have a transmit GTS direction or was not defined.
	 */
	IEEE802154_INVALID_GTS = 0xe6,
	/*
	 * A request to purge an MSDU from the transaction queue was made using
	 * an MSDU handle that was not found in the transaction table.
	 */
	IEEE802154_INVALID_HANDLE = 0xe7,
	/* A parameter in the primitive is out of the valid range.*/
	IEEE802154_INVALID_PARAMETER = 0xe8,
	/* No acknowledgment was received after aMaxFrameRetries. */
	IEEE802154_NO_ACK = 0xe9,
	/* A scan operation failed to find any network beacons.*/
	IEEE802154_NO_BEACON = 0xea,
	/* No response data were available following a request. */
	IEEE802154_NO_DATA = 0xeb,
	/* The operation failed because a short address was not allocated. */
	IEEE802154_NO_SHORT_ADDRESS = 0xec,
	/*
	 * A receiver enable request was unsuccessful because it could not be
	 * completed within the CAP.
	 */
	IEEE802154_OUT_OF_CAP = 0xed,
	/*
	 * A PAN identifier conflict has been detected and communicated to the
	 * PAN coordinator.
	 */
	IEEE802154_PANID_CONFLICT = 0xee,
	/* A coordinator realignment command has been received. */
	IEEE802154_REALIGMENT = 0xef,
	/* The transaction has expired and its information discarded. */
	IEEE802154_TRANSACTION_EXPIRED = 0xf0,
	/* There is no capacity to store the transaction. */
	IEEE802154_TRANSACTION_OVERFLOW = 0xf1,
	/*
	 * The transceiver was in the transmitter enabled state when the
	 * receiver was requested to be enabled.
	 */
	IEEE802154_TX_ACTIVE = 0xf2,
	/* The appropriate key is not available in the ACL. */
	IEEE802154_UNAVAILABLE_KEY = 0xf3,
	/*
	 * A SET/GET request was issued with the identifier of a PIB attribute
	 * that is not supported.
	 */
	IEEE802154_UNSUPPORTED_ATTR = 0xf4,
	/*
	 * A request to perform a scan operation failed because the MLME was
	 * in the process of performing a previously initiated scan operation.
	 */
	IEEE802154_SCAN_IN_PROGRESS = 0xfc,
};

/* frame control handling */
#define IEEE802154_FCTL_FTYPE		0x0003
#define IEEE802154_FCTL_ACKREQ		0x0020
#define IEEE802154_FCTL_SECEN		0x0004
#define IEEE802154_FCTL_INTRA_PAN	0x0040
#define IEEE802154_FCTL_DADDR		0x0c00
#define IEEE802154_FCTL_SADDR		0xc000

#define IEEE802154_FTYPE_DATA		0x0001

#define IEEE802154_FCTL_ADDR_NONE	0x0000
#define IEEE802154_FCTL_DADDR_SHORT	0x0800
#define IEEE802154_FCTL_DADDR_EXTENDED	0x0c00
#define IEEE802154_FCTL_SADDR_SHORT	0x8000
#define IEEE802154_FCTL_SADDR_EXTENDED	0xc000

/*
 * ieee802154_is_data - check if type is IEEE802154_FTYPE_DATA
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee802154_is_data(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE802154_FCTL_FTYPE)) ==
		cpu_to_le16(IEEE802154_FTYPE_DATA);
}

/**
 * ieee802154_is_secen - check if Security bit is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee802154_is_secen(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_SECEN);
}

/**
 * ieee802154_is_ackreq - check if acknowledgment request bit is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee802154_is_ackreq(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_ACKREQ);
}

/**
 * ieee802154_is_intra_pan - check if intra pan id communication
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee802154_is_intra_pan(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_INTRA_PAN);
}

/*
 * ieee802154_daddr_mode - get daddr mode from fc
 * @fc: frame control bytes in little-endian byteorder
 */
static inline __le16 ieee802154_daddr_mode(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_DADDR);
}

/*
 * ieee802154_saddr_mode - get saddr mode from fc
 * @fc: frame control bytes in little-endian byteorder
 */
static inline __le16 ieee802154_saddr_mode(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_SADDR);
}

/**
 * ieee802154_is_valid_psdu_len - check if psdu len is valid
 * available lengths:
 *	0-4	Reserved
 *	5	MPDU (Acknowledgment)
 *	6-8	Reserved
 *	9-127	MPDU
 *
 * @len: psdu len with (MHR + payload + MFR)
 */
static inline bool ieee802154_is_valid_psdu_len(u8 len)
{
	return (len == IEEE802154_ACK_PSDU_LEN ||
		(len >= IEEE802154_MIN_PSDU_LEN && len <= IEEE802154_MTU));
}

/**
 * ieee802154_is_valid_extended_unicast_addr - check if extended addr is valid
 * @addr: extended addr to check
 */
static inline bool ieee802154_is_valid_extended_unicast_addr(__le64 addr)
{
	/* Bail out if the address is all zero, or if the group
	 * address bit is set.
	 */
	return ((addr != cpu_to_le64(0x0000000000000000ULL)) &&
		!(addr & cpu_to_le64(0x0100000000000000ULL)));
}

/**
 * ieee802154_is_broadcast_short_addr - check if short addr is broadcast
 * @addr: short addr to check
 */
static inline bool ieee802154_is_broadcast_short_addr(__le16 addr)
{
	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST));
}

/**
 * ieee802154_is_unspec_short_addr - check if short addr is unspecified
 * @addr: short addr to check
 */
static inline bool ieee802154_is_unspec_short_addr(__le16 addr)
{
	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC));
}

/**
 * ieee802154_is_valid_src_short_addr - check if source short address is valid
 * @addr: short addr to check
 */
static inline bool ieee802154_is_valid_src_short_addr(__le16 addr)
{
	return !(ieee802154_is_broadcast_short_addr(addr) ||
		 ieee802154_is_unspec_short_addr(addr));
}

/**
 * ieee802154_random_extended_addr - generates a random extended address
 * @addr: extended addr pointer to place the random address
 */
static inline void ieee802154_random_extended_addr(__le64 *addr)
{
	get_random_bytes(addr, IEEE802154_EXTENDED_ADDR_LEN);

	/* clear the group bit, and set the locally administered bit */
	((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] &= ~0x01;
	((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] |= 0x02;
}

#endif /* LINUX_IEEE802154_H */
Commit	Line	Data
9ec76716 SL	1	/*
	2	* IEEE802.15.4-2003 specification
	3	*
	4	* Copyright (C) 2007, 2008 Siemens AG
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2
	8	* as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
9ec76716 SL	15	* Written by:
	16	* Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
	17	* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
	18	* Maxim Osipov <maxim.osipov@siemens.com>
	19	* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
719269af	20	* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
9ec76716 SL	21	*/
9ec76716 SL	22
4ca24aca AA	23	#ifndef LINUX_IEEE802154_H
4ca24aca AA	24	#define LINUX_IEEE802154_H
9ec76716	25
fa491001	26	#include <linux/types.h>
35d5a374	27	#include <linux/random.h>
fa491001	28
719269af	29	#define IEEE802154_MTU 127
306f7aa1 AA	30	#define IEEE802154_ACK_PSDU_LEN 5
306f7aa1 AA	31	#define IEEE802154_MIN_PSDU_LEN 9
3f3c4bb5	32	#define IEEE802154_FCS_LEN 2
87a93e4e	33	#define IEEE802154_MAX_AUTH_TAG_LEN 16
9cc577dd AA	34	#define IEEE802154_FC_LEN 2
9cc577dd AA	35	#define IEEE802154_SEQ_LEN 1
87a93e4e AA	36
	37	/* General MAC frame format:
	38	* 2 bytes: Frame Control
	39	* 1 byte: Sequence Number
	40	* 20 bytes: Addressing fields
	41	* 14 bytes: Auxiliary Security Header
	42	*/
	43	#define IEEE802154_MAX_HEADER_LEN (2 + 1 + 20 + 14)
	44	#define IEEE802154_MIN_HEADER_LEN (IEEE802154_ACK_PSDU_LEN - \
	45	IEEE802154_FCS_LEN)
719269af	46
702bf371	47	#define IEEE802154_PAN_ID_BROADCAST 0xffff
9830c62a AA	48	#define IEEE802154_ADDR_SHORT_BROADCAST 0xffff
9830c62a AA	49	#define IEEE802154_ADDR_SHORT_UNSPEC 0xfffe
702bf371	50
1906bbbd	51	#define IEEE802154_EXTENDED_ADDR_LEN 8
118a5cf8	52	#define IEEE802154_SHORT_ADDR_LEN 2
19580cc1	53	#define IEEE802154_PAN_ID_LEN 2
1906bbbd	54
61f2dcba AA	55	#define IEEE802154_LIFS_PERIOD 40
61f2dcba AA	56	#define IEEE802154_SIFS_PERIOD 12
3f3c4bb5	57	#define IEEE802154_MAX_SIFS_FRAME_SIZE 18
61f2dcba	58
cb41c8dd AA	59	#define IEEE802154_MAX_CHANNEL 26
	60	#define IEEE802154_MAX_PAGE 31
	61
9ec76716 SL	62	#define IEEE802154_FC_TYPE_BEACON 0x0 /* Frame is beacon */
	63	#define IEEE802154_FC_TYPE_DATA 0x1 /* Frame is data */
	64	#define IEEE802154_FC_TYPE_ACK 0x2 /* Frame is acknowledgment */
	65	#define IEEE802154_FC_TYPE_MAC_CMD 0x3 /* Frame is MAC command */
	66
	67	#define IEEE802154_FC_TYPE_SHIFT 0
	68	#define IEEE802154_FC_TYPE_MASK ((1 << 3) - 1)
	69	#define IEEE802154_FC_TYPE(x) ((x & IEEE802154_FC_TYPE_MASK) >> IEEE802154_FC_TYPE_SHIFT)
	70	#define IEEE802154_FC_SET_TYPE(v, x) do { \
	71	v = (((v) & ~IEEE802154_FC_TYPE_MASK) \| \
	72	(((x) << IEEE802154_FC_TYPE_SHIFT) & IEEE802154_FC_TYPE_MASK)); \
	73	} while (0)
	74
94b4f6c2 PB	75	#define IEEE802154_FC_SECEN_SHIFT 3
	76	#define IEEE802154_FC_SECEN (1 << IEEE802154_FC_SECEN_SHIFT)
	77	#define IEEE802154_FC_FRPEND_SHIFT 4
	78	#define IEEE802154_FC_FRPEND (1 << IEEE802154_FC_FRPEND_SHIFT)
	79	#define IEEE802154_FC_ACK_REQ_SHIFT 5
	80	#define IEEE802154_FC_ACK_REQ (1 << IEEE802154_FC_ACK_REQ_SHIFT)
	81	#define IEEE802154_FC_INTRA_PAN_SHIFT 6
	82	#define IEEE802154_FC_INTRA_PAN (1 << IEEE802154_FC_INTRA_PAN_SHIFT)
9ec76716 SL	83
	84	#define IEEE802154_FC_SAMODE_SHIFT 14
	85	#define IEEE802154_FC_SAMODE_MASK (3 << IEEE802154_FC_SAMODE_SHIFT)
	86	#define IEEE802154_FC_DAMODE_SHIFT 10
	87	#define IEEE802154_FC_DAMODE_MASK (3 << IEEE802154_FC_DAMODE_SHIFT)
	88
94b4f6c2 PB	89	#define IEEE802154_FC_VERSION_SHIFT 12
	90	#define IEEE802154_FC_VERSION_MASK (3 << IEEE802154_FC_VERSION_SHIFT)
	91	#define IEEE802154_FC_VERSION(x) ((x & IEEE802154_FC_VERSION_MASK) >> IEEE802154_FC_VERSION_SHIFT)
	92
9ec76716 SL	93	#define IEEE802154_FC_SAMODE(x) \
	94	(((x) & IEEE802154_FC_SAMODE_MASK) >> IEEE802154_FC_SAMODE_SHIFT)
	95
	96	#define IEEE802154_FC_DAMODE(x) \
	97	(((x) & IEEE802154_FC_DAMODE_MASK) >> IEEE802154_FC_DAMODE_SHIFT)
	98
94b4f6c2 PB	99	#define IEEE802154_SCF_SECLEVEL_MASK 7
	100	#define IEEE802154_SCF_SECLEVEL_SHIFT 0
	101	#define IEEE802154_SCF_SECLEVEL(x) (x & IEEE802154_SCF_SECLEVEL_MASK)
	102	#define IEEE802154_SCF_KEY_ID_MODE_SHIFT 3
	103	#define IEEE802154_SCF_KEY_ID_MODE_MASK (3 << IEEE802154_SCF_KEY_ID_MODE_SHIFT)
	104	#define IEEE802154_SCF_KEY_ID_MODE(x) \
	105	((x & IEEE802154_SCF_KEY_ID_MODE_MASK) >> IEEE802154_SCF_KEY_ID_MODE_SHIFT)
	106
	107	#define IEEE802154_SCF_KEY_IMPLICIT 0
	108	#define IEEE802154_SCF_KEY_INDEX 1
	109	#define IEEE802154_SCF_KEY_SHORT_INDEX 2
	110	#define IEEE802154_SCF_KEY_HW_INDEX 3
9ec76716	111
c3a6114f PB	112	#define IEEE802154_SCF_SECLEVEL_NONE 0
	113	#define IEEE802154_SCF_SECLEVEL_MIC32 1
	114	#define IEEE802154_SCF_SECLEVEL_MIC64 2
	115	#define IEEE802154_SCF_SECLEVEL_MIC128 3
	116	#define IEEE802154_SCF_SECLEVEL_ENC 4
	117	#define IEEE802154_SCF_SECLEVEL_ENC_MIC32 5
	118	#define IEEE802154_SCF_SECLEVEL_ENC_MIC64 6
	119	#define IEEE802154_SCF_SECLEVEL_ENC_MIC128 7
	120
719269af	121	/* MAC footer size */
	122	#define IEEE802154_MFR_SIZE 2 /* 2 octets */
	123
9ec76716 SL	124	/* MAC's Command Frames Identifiers */
	125	#define IEEE802154_CMD_ASSOCIATION_REQ 0x01
	126	#define IEEE802154_CMD_ASSOCIATION_RESP 0x02
	127	#define IEEE802154_CMD_DISASSOCIATION_NOTIFY 0x03
	128	#define IEEE802154_CMD_DATA_REQ 0x04
	129	#define IEEE802154_CMD_PANID_CONFLICT_NOTIFY 0x05
	130	#define IEEE802154_CMD_ORPHAN_NOTIFY 0x06
	131	#define IEEE802154_CMD_BEACON_REQ 0x07
	132	#define IEEE802154_CMD_COORD_REALIGN_NOTIFY 0x08
	133	#define IEEE802154_CMD_GTS_REQ 0x09
	134
	135	/*
	136	* The return values of MAC operations
	137	*/
	138	enum {
	139	/*
	140	* The requested operation was completed successfully.
	141	* For a transmission request, this value indicates
	142	* a successful transmission.
	143	*/
	144	IEEE802154_SUCCESS = 0x0,
	145
	146	/* The beacon was lost following a synchronization request. */
	147	IEEE802154_BEACON_LOSS = 0xe0,
	148	/*
	149	* A transmission could not take place due to activity on the
	150	* channel, i.e., the CSMA-CA mechanism has failed.
	151	*/
	152	IEEE802154_CHNL_ACCESS_FAIL = 0xe1,
	153	/* The GTS request has been denied by the PAN coordinator. */
	154	IEEE802154_DENINED = 0xe2,
	155	/* The attempt to disable the transceiver has failed. */
	156	IEEE802154_DISABLE_TRX_FAIL = 0xe3,
	157	/*
	158	* The received frame induces a failed security check according to
	159	* the security suite.
	160	*/
	161	IEEE802154_FAILED_SECURITY_CHECK = 0xe4,
	162	/*
	163	* The frame resulting from secure processing has a length that is
	164	* greater than aMACMaxFrameSize.
	165	*/
	166	IEEE802154_FRAME_TOO_LONG = 0xe5,
	167	/*
	168	* The requested GTS transmission failed because the specified GTS
	169	* either did not have a transmit GTS direction or was not defined.
	170	*/
	171	IEEE802154_INVALID_GTS = 0xe6,
	172	/*
	173	* A request to purge an MSDU from the transaction queue was made using
	174	* an MSDU handle that was not found in the transaction table.
	175	*/
	176	IEEE802154_INVALID_HANDLE = 0xe7,
	177	/* A parameter in the primitive is out of the valid range.*/
	178	IEEE802154_INVALID_PARAMETER = 0xe8,
	179	/* No acknowledgment was received after aMaxFrameRetries. */
	180	IEEE802154_NO_ACK = 0xe9,
	181	/* A scan operation failed to find any network beacons.*/
	182	IEEE802154_NO_BEACON = 0xea,
	183	/* No response data were available following a request. */
	184	IEEE802154_NO_DATA = 0xeb,
	185	/* The operation failed because a short address was not allocated. */
	186	IEEE802154_NO_SHORT_ADDRESS = 0xec,
	187	/*
188	* A receiver enable request was unsuccessful because it could not be
189	* completed within the CAP.
190	*/
191	IEEE802154_OUT_OF_CAP = 0xed,
192	/*
193	* A PAN identifier conflict has been detected and communicated to the
194	* PAN coordinator.
195	*/
196	IEEE802154_PANID_CONFLICT = 0xee,
197	/* A coordinator realignment command has been received. */
198	IEEE802154_REALIGMENT = 0xef,
199	/* The transaction has expired and its information discarded. */
200	IEEE802154_TRANSACTION_EXPIRED = 0xf0,
201	/* There is no capacity to store the transaction. */
202	IEEE802154_TRANSACTION_OVERFLOW = 0xf1,
203	/*
204	* The transceiver was in the transmitter enabled state when the
205	* receiver was requested to be enabled.
206	*/
207	IEEE802154_TX_ACTIVE = 0xf2,
208	/* The appropriate key is not available in the ACL. */
209	IEEE802154_UNAVAILABLE_KEY = 0xf3,
210	/*
211	* A SET/GET request was issued with the identifier of a PIB attribute
212	* that is not supported.
213	*/
214	IEEE802154_UNSUPPORTED_ATTR = 0xf4,
215	/*
216	* A request to perform a scan operation failed because the MLME was
217	* in the process of performing a previously initiated scan operation.
218	*/
219	IEEE802154_SCAN_IN_PROGRESS = 0xfc,
220	};
221
54552d03 AA	222	/* frame control handling */
54552d03 AA	223	#define IEEE802154_FCTL_FTYPE 0x0003
79750ac4	224	#define IEEE802154_FCTL_ACKREQ 0x0020
bc405cd6	225	#define IEEE802154_FCTL_SECEN 0x0004
54552d03	226	#define IEEE802154_FCTL_INTRA_PAN 0x0040
9cc577dd	227	#define IEEE802154_FCTL_DADDR 0x0c00
19580cc1	228	#define IEEE802154_FCTL_SADDR 0xc000
54552d03 AA	229
	230	#define IEEE802154_FTYPE_DATA 0x0001
	231
9cc577dd AA	232	#define IEEE802154_FCTL_ADDR_NONE 0x0000
	233	#define IEEE802154_FCTL_DADDR_SHORT 0x0800
	234	#define IEEE802154_FCTL_DADDR_EXTENDED 0x0c00
19580cc1 AA	235	#define IEEE802154_FCTL_SADDR_SHORT 0x8000
19580cc1 AA	236	#define IEEE802154_FCTL_SADDR_EXTENDED 0xc000
9cc577dd	237
54552d03 AA	238	/*
	239	* ieee802154_is_data - check if type is IEEE802154_FTYPE_DATA
	240	* @fc: frame control bytes in little-endian byteorder
	241	*/
	242	static inline int ieee802154_is_data(__le16 fc)
	243	{
	244	return (fc & cpu_to_le16(IEEE802154_FCTL_FTYPE)) ==
	245	cpu_to_le16(IEEE802154_FTYPE_DATA);
	246	}
	247
bc405cd6 AM	248	/**
	249	* ieee802154_is_secen - check if Security bit is set
	250	* @fc: frame control bytes in little-endian byteorder
	251	*/
	252	static inline bool ieee802154_is_secen(__le16 fc)
	253	{
	254	return fc & cpu_to_le16(IEEE802154_FCTL_SECEN);
	255	}
	256
79750ac4 AA	257	/**
	258	* ieee802154_is_ackreq - check if acknowledgment request bit is set
	259	* @fc: frame control bytes in little-endian byteorder
	260	*/
	261	static inline bool ieee802154_is_ackreq(__le16 fc)
	262	{
	263	return fc & cpu_to_le16(IEEE802154_FCTL_ACKREQ);
	264	}
	265
54552d03 AA	266	/**
	267	* ieee802154_is_intra_pan - check if intra pan id communication
	268	* @fc: frame control bytes in little-endian byteorder
	269	*/
	270	static inline bool ieee802154_is_intra_pan(__le16 fc)
	271	{
	272	return fc & cpu_to_le16(IEEE802154_FCTL_INTRA_PAN);
	273	}
	274
9cc577dd AA	275	/*
	276	* ieee802154_daddr_mode - get daddr mode from fc
	277	* @fc: frame control bytes in little-endian byteorder
	278	*/
	279	static inline __le16 ieee802154_daddr_mode(__le16 fc)
	280	{
	281	return fc & cpu_to_le16(IEEE802154_FCTL_DADDR);
	282	}
	283
19580cc1 AA	284	/*
	285	* ieee802154_saddr_mode - get saddr mode from fc
	286	* @fc: frame control bytes in little-endian byteorder
	287	*/
	288	static inline __le16 ieee802154_saddr_mode(__le16 fc)
	289	{
	290	return fc & cpu_to_le16(IEEE802154_FCTL_SADDR);
	291	}
	292
fa491001 AA	293	/**
fa491001 AA	294	* ieee802154_is_valid_psdu_len - check if psdu len is valid
306f7aa1 AA	295	* available lengths:
	296	* 0-4 Reserved
	297	* 5 MPDU (Acknowledgment)
	298	* 6-8 Reserved
	299	* 9-127 MPDU
	300	*
fa491001 AA	301	* @len: psdu len with (MHR + payload + MFR)
fa491001 AA	302	*/
b7594148	303	static inline bool ieee802154_is_valid_psdu_len(u8 len)
fa491001	304	{
306f7aa1 AA	305	return (len == IEEE802154_ACK_PSDU_LEN \|\|
306f7aa1 AA	306	(len >= IEEE802154_MIN_PSDU_LEN && len <= IEEE802154_MTU));
fa491001	307	}
9ec76716	308
cb904b0a	309	/**
b7594148	310	* ieee802154_is_valid_extended_unicast_addr - check if extended addr is valid
cb904b0a AA	311	* @addr: extended addr to check
cb904b0a AA	312	*/
b7594148	313	static inline bool ieee802154_is_valid_extended_unicast_addr(__le64 addr)
cb904b0a	314	{
daf4e2c8 LB	315	/* Bail out if the address is all zero, or if the group
daf4e2c8 LB	316	* address bit is set.
cb904b0a	317	*/
0d8a52f9	318	return ((addr != cpu_to_le64(0x0000000000000000ULL)) &&
daf4e2c8	319	!(addr & cpu_to_le64(0x0100000000000000ULL)));
cb904b0a AA	320	}
cb904b0a AA	321
118a5cf8 AA	322	/**
	323	* ieee802154_is_broadcast_short_addr - check if short addr is broadcast
	324	* @addr: short addr to check
	325	*/
	326	static inline bool ieee802154_is_broadcast_short_addr(__le16 addr)
	327	{
	328	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST));
	329	}
	330
	331	/**
	332	* ieee802154_is_unspec_short_addr - check if short addr is unspecified
	333	* @addr: short addr to check
	334	*/
	335	static inline bool ieee802154_is_unspec_short_addr(__le16 addr)
	336	{
	337	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC));
	338	}
	339
	340	/**
	341	* ieee802154_is_valid_src_short_addr - check if source short address is valid
	342	* @addr: short addr to check
	343	*/
	344	static inline bool ieee802154_is_valid_src_short_addr(__le16 addr)
	345	{
	346	return !(ieee802154_is_broadcast_short_addr(addr) \|\|
	347	ieee802154_is_unspec_short_addr(addr));
	348	}
	349
35d5a374 AA	350	/**
	351	* ieee802154_random_extended_addr - generates a random extended address
	352	* @addr: extended addr pointer to place the random address
	353	*/
	354	static inline void ieee802154_random_extended_addr(__le64 *addr)
	355	{
	356	get_random_bytes(addr, IEEE802154_EXTENDED_ADDR_LEN);
	357
3b369bd2 LB	358	/* clear the group bit, and set the locally administered bit */
	359	((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] &= ~0x01;
	360	((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] \|= 0x02;
35d5a374 AA	361	}
35d5a374 AA	362
4ca24aca	363	#endif /* LINUX_IEEE802154_H */